Add 72/54 and 54/40
1st number: 1 18/54, 2nd number: 1 14/40
72/54 + 54/40 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
72/54 = 72 × 20/54 × 20 = 1440/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
54/40 = 54 × 27/40 × 27 = 1458/1080 - Add the two like fractions:
1440/1080 + 1458/1080 = 1440 + 1458/1080 = 2898/1080 - 2898/1080 simplified gives 161/60
- So, 72/54 + 54/40 = 161/60
In mixed form: 241/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+54/80